Incorrect link for label in regionprops gallery example

[jni]

Description

In the regionprops gallery example:

https://scikit-image.org/docs/0.18.x/auto_examples/segmentation/plot_regionprops.html

The "label" function links to Python's int documentation. I think that's because later in the example label (the function measure.label) gets redefined as label = props[i].label, which is indeed an int.

Probably this needs a fix in sphinx-gallery but in the meantime perhaps renaming some variables would help.